Thicknesses
n. 层( thickness的复数形式 ); 浓度; 厚（度）; 最厚的部分
🗣️ 情景例句
Could you please tell me the departure times?
你能告诉我出发的时间吗？
I invited him ti come down, but he wouldn't.
我请他下来，但是他不肯。
Hubert Latham took off from the French coast in his plane the 'Antoinette IV.
休伯特。莱瑟姆驾驶“安特瓦特4号”飞机从法国海岸起飞，